Semiconductor Energy Laboratory Co., Ltd.

Hidetomo Kobayashi

Yutaka Shionoiri

Takayuki Ikeda

Shunpei Yamazaki

Kiyotaka Kimura

Kiyoshi Kato

Kei Takahashi

Takashi Nakagawa

Tomoaki Atsumi

Masashi Fujita

Hideaki Shishido

Tatsuji Nishijima

Seiichi Yoneda

Kazuaki Ohshima

Kouhei Toyotaka

Takuro Ohmaru

Yusuke Negoro

Shuichi Katsui

Yoshiyuki Kurokawa

Roh Yamamoto

Kosei Nei

Takeya Hirose

Shintaro Harada

Hiroyuki Tomatsu

Jun Koyama

Naoto Kusumoto

Masashi Tsubuku

Susumu Kawashima

Masami Endo

Toshihiko Takeuchi

Yasuyuki Takahashi

Hiroki Dembo

Yukio Maehashi

Yuki Tamatsukuri

Hajime Kimura

Takeshi Osada

Takanori Matsuzaki

Tatsuya Onuki

Munehiro Kozuma

Hiroki Inoue

Yuki Okamoto

Yutaka Okazaki

Takahiko Ishizu

Masato Ishii

Wataru Uesugi

Takafumi Mizoguchi

Kentaro Hayashi

A display device with high resolution is provided. A display device with low power consumption is provided. A display device with high luminance is provided. A display device with a high aperture ratio is provided. The display device includes a first wiring, a second wiring, a third wiring, and a pixel electrode. The first wiring extends in a first direction and is supplied with a source signal. The second wiring extends in a second direction intersecting the first direction and is supplied with a gate signal. The third wiring is supplied with a constant potential. The first wiring and the pixel electrode overlap with each other with the third wiring therebetween.

Display device

A display device with high design flexibility that can be designed easily is provided. One embodiment of the present invention includes a first substrate () provided with a driver circuit including first and second pulse output circuits (__), a second substrate () provided with a display unit () including a first pixel circuit including a first source wiring (SL_) and a first contact portion (SC_) and a second pixel circuit including a second source wiring (SL_) adjacent to the first source wiring and a second contact portion (SC_) electrically connected to the second source wiring, and a connection unit where the first and second substrates are electrically connected to each other. The display unit is placed to overlap with the driver circuit, the first and second pulse output circuits are electrically connected to the first and second pixel circuits respectively through the first and second contact portions, the first pulse output circuit is placed on an opposite side of a straight line connecting the first and second contact portions from the second pulse output circuit, and the connection unit includes a wiring containing copper.

Display device with a driver circuit comprising a plurality of pulse output circuits

A display device that can be easily and more flexibly designed is provided. The display device includes a pixel circuit and a driver circuit in a display portion. The driver circuit includes a plurality of pulse output circuits. Each of the plurality of pulse output circuits has a function of driving a gate line. The pixel circuit is electrically connected to the gate line. Each of the plurality of pulse output circuits includes a first transistor. The pixel circuit includes a second transistor. A layer including the second transistor is over a layer including the first transistor, and the first transistor and the second transistor overlap with each other.

Display device and electronic device

An object is to provide a semiconductor device that can maintain the connection relation between logic circuit units or the circuit configuration of each of the logic circuit units even after supply of power supply voltage is stopped. Another object is to provide a semiconductor device in which the connection relation between logic circuit units or the circuit configuration of each of the logic circuit units can be changed at high speed. In a reconfigurable circuit, an oxide semiconductor is used for a semiconductor element that stores data on the circuit configuration, connection relation, or the like. Specifically, the oxide semiconductor is used for a channel formation region of the semiconductor element.

Semiconductor device

The invention of the application is the invention regarding a semiconductor device and a method for driving the semiconductor device. The semiconductor device includes first and second transistors, first to fifth switches, first to third capacitors, and a display element. The first transistor (M) comprises a back gate, a gate of the first transistor is electrically connected to the first switch (M), the second switch (M) and the first capacitor (C) are positioned between the gate of the first transistor and a source of the first transistor, the back gate of the first transistor is electrically connected to the third switch (M), the second capacitor (C) is positioned between the back gate of the first transistor and the source of the first transistor, the source of the first transistor is electrically connected to the fourth switch (M) and a drain of the second transistor (M), a gate of the second transistor is electrically connected to the fifth switch (M), the third capacitor (C) is positioned between the gate of the second transistor and a source of the second transistor, and the source of the second transistor is electrically connected to the display element ().

Semiconductor device and method for driving semiconductor device

An imaging device capable of image processing is provided. The imaging device can retain analog data (image data) obtained by an image-capturing operation in a pixel and perform a product-sum operation of the analog data and a predetermined weight coefficient in the pixel to convert the data into binary data. When the binary data is taken in a neural network or the like, processing such as image recognition can be performed. Since enormous volumes of image data can be retained in pixels in the state of analog data, processing can be performed efficiently.

Imaging device and electronic device

A display device with high luminance is provided. A pixel includes a light-emitting device, a first transistor, a second transistor, a third transistor, a fourth transistor, a first capacitor, and a second capacitor. One electrode of the light-emitting device is electrically connected to one of a source and a drain of the first transistor. A gate of the first transistor is electrically connected to one electrode of the first capacitor and one of a source and a drain of the second transistor. The other of the source and the drain of the first transistor is electrically connected to one electrode of the second capacitor. One electrode of the second capacitor is electrically connected to a first wiring having a function of supplying a first potential. The other electrode of the second capacitor is electrically connected to the other electrode of the first capacitor, one of a source and a drain of the third transistor, and one of a source and a drain of the fourth transistor.

A display device with favorable display quality is provided. A display portion where a plurality of pixels is arranged in a matrix is divided into Region A and Region B, i.e., regions on the upstream side and the downstream side of a scanning direction. A signal line for supplying an image signal is provided in each of Region A and Region B. Region A and Region B adjoin each other such that a boundary line showing the boundary between the regions is bent. Bending the boundary line suppresses formation of a stripe in a boundary portion. For example, in a given column, the total number of pixels electrically connected to a signal line in Region A is made different from the total number of pixels electrically connected to a signal line in Region B.

A display device with less display unevenness is provided. The display device includes a first layer and a second layer over the first layer; the first layer includes first circuits arranged in m rows and n columns; the second layer includes pixel blocks arranged in the m rows and the n columns; the pixel blocks each comprise pixels arranged in a rows and b columns; the pixel block includes a first wiring and a second wiring electrically connected to the pixel; the first wiring and the second wiring included in the pixel block in the i-th row and the j-th column are each electrically connected to the first circuit in the i-th row and the j-th column; the first wiring has a function of supplying an input signal from the first circuit to the pixel; and the second wiring has a function of supplying an output signal from the pixel to the first circuit.

A display apparatus with low power consumption and high image quality is provided. The display apparatus includes a light-emitting element, a first transistor, a second transistor, a third transistor, a first capacitor, and a second capacitor. Preferably, one electrode of the light-emitting element is electrically connected to one of a source and a drain of the first transistor; the one electrode of the light-emitting element is electrically connected to one electrode of the first capacitor; a gate of the first transistor is electrically connected to one of a source and a drain of the second transistor; the gate of the first transistor is electrically connected to one electrode of the second capacitor; the other electrode of the second capacitor is electrically connected to the other electrode of the first capacitor; and the other electrode of the second capacitor is electrically connected to one of a source and a drain of the third transistor.

Display apparatus and electronic device

A highly convenient imaging device is provided. Alternatively, a highly reliable imaging device is provided. Alternatively, a highly convenient authentication device is provided. Alternatively, a highly reliable authentication device is provided. The imaging device includes a substrate, a pixel array, and an adhesive layer. The substrate has flexibility, the pixel array is positioned over a first surface of the substrate, and the adhesive layer is positioned on a second surface facing the first surface of the substrate. The pixel array includes a light-receiving element and a light-emitting element. The light-receiving element has a function of sensing infrared light and includes a first pixel electrode, an active layer, and a common electrode. The light-emitting element has a function of emitting infrared light and includes a second pixel electrode, a light-emitting layer, and the common electrode. The active layer is positioned over the first pixel electrode and contains a first organic compound. The light-emitting layer is positioned over the second pixel electrode and contains a second organic compound different from the first organic compound. The common electrode includes a portion overlapping with the first pixel electrode with the active layer therebetween, and a portion overlapping with the second pixel electrode with the light-emitting layer therebetween.

Imaging device and authentication device

A display device with a narrower frame can be provided. In the display device, a first layer, a second layer, and a third layer are provided to be stacked. The first layer includes a gate driver circuit and a data driver circuit, the second layer includes a demultiplexer circuit, and the third layer includes a display portion. In the display portion, pixels are arranged in a matrix, an input terminal of the demultiplexer circuit is electrically connected to the data driver circuit, and an output terminal of the demultiplexer circuit is electrically connected to some of the pixels. The gate driver circuit and the data driver circuit are provided to include a region overlapping some of the pixels. The gate driver circuit and the data driver circuit have a region where they are not strictly separated from each other and overlap each other. Five or more gate driver circuits and five or more data driver circuits can be provided.

Common noise is reduced from light-receiving data. A display module includes a display apparatus and a reading circuit. Each of a first pixel and a second pixel adjacent to each other in the display apparatus includes a light-receiving element and a light-emitting element. The reading circuit includes a differential input circuit. Common noise generated when display data is supplied to a light-emitting element, for example, may affect a first light-receiving signal output by the first pixel and a second light-receiving signal output by the second pixel. A first current is generated using the first light-receiving signal and a ramp signal, and a second current is generated using the second light-receiving signal and a first potential. The differential input circuit is controlled so that the first current and the second current have the same current value, whereby common noise can be removed from the first light-receiving signal.

Display module and electronic device

A low-power display device is provided. The display device is provided with a plurality of display portions. A data driver circuit and an addition circuit are provided to have a region overlapping with the display portion. First analog data is output from the data driver circuit in the case where first digital data consisting of a first digital value is input to the data driver circuit, whereas second analog data is output from the data driver circuit in the case where second digital data consisting of a second digital value is input to the data driver circuit. The addition circuit generates analog data corresponding to digital data that has a high-order bit that is the first digital value and a low-order bit that is the second digital value, by adding the second analog data to the first analog data. An output terminal of the data driver circuit is directly connected to an input terminal of the addition circuit without through an amplifier circuit.

An imaging device capable of executing image processing is provided. Analog data (image data) acquired through an imaging operation is retained in a pixel, and data obtained by multiplying the analog data by a given weight coefficient in the pixel can be extracted. The data is taken into a neural network or the like, whereby processing such as image recognition can be performed. Since an enormous amount of image data can be retained in pixels in an analog data state, processing can be performed efficiently.

Growing community of inventors

Kanagawa, Japan

Hidetomo Kobayashi